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Home / ELISA Kit / PharmaTest ELISA Kits

Rituximab (Rituxan) Pharmacokinetic ELISA

SKU : BHE18300008

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Mfr.No.	EL-1611-181
Detection Range	100ng/ml - 5ng/ml
Reactivity	Human, Mouse, Rat
Assay Duration	2.5 hours
Assay Type	Direct, Sandwich
Description	Rituximab is a chimeric monoclonal antibody used in the treatment of diseases characterized by abnormal or excessive B cells. Rituximab targets CD20, which is expressed on the surface of B cells, to induce apoptosis in B cells and is used in the treatment of leukemias and lymphomas, some autoimmune disorders, and organ transplant. A quantitative method for Rituximab has been developed and optimized for pharmacokinetic assessment of samples. Reagent preparation Prepare the appropriate amount of required reagent on the day of use. Store all reagents as per instructions stated on the label. 1. Wash Buffer (1X) Preparation: Dilute wash buffer concentrate with ultra-pure water 1/10 before use (for example add 20mL concentrate to 180mL ultra-pure water). Mix well. 2. Detection Reagent (1X) Preparation: Dilute detection reagent with assay buffer 1/1000 before use (for example add 11ul concentrate to 11ml of assay buffer). Mix well. 3. Preparation of Calibrators: Prepare calibrators with concentrations ranging from 5000 ng/mL to 250 ng/ mL. The following is an example calibrator curve. Results calculation 1. Construct a standard curve by plotting the absorbance obtained from each standard against concentration. Use a 4 or 5 parameter curve fit. Alteatively a log-log curve fit may be used. 2. The concentration of the unknowns can be read directly from this standard curve using the absorbance value for each sample. 3. Any sample undiluted or diluted still reading greater than the highest standard should be diluted appropriately with assay buffer and retested. If the samples have been diluted, the concentration determined from the standard curve must be multiplied by the dilution factor. Sample preparation Dilute calibrators and test samples 1/50 with assay buffer (for example add 5uL of prepared calibrator or sample to 245uL of assay buffer). Mix well. *Note that test samples may require further dilution when peak values are predicted to exceed 5ug/ml. Do not store diluted samples.
Detection Method	Peroxidase / OD450
Kit Components	Coated microtiter plate, 96 wells Calibrator diluent. - 1.8ml Calibrator 12ul 10X wash buffer - 25ml Assay buffer - 50ml 1000X detection reagent - 17ul TMB - 12ml TMB stop solution - 12ml Plate sealers - 3
Limit Of Detection	5ng/ml
Components	Coated microtiter plate, 96 wells Calibrator diluent. - 1.8ml Calibrator 12ul 10X wash buffer - 25ml Assay buffer - 50ml 1000X detection reagent - 17ul TMB - 12ml TMB stop solution - 12ml Plate sealers - 3
Precision	Intra-assay coefficient of variation (CV) <10%. Inter-assay CV <10%.
Notes	This kit is compatible with EDTA-plasma, heparinplasma and serum samples. Samples can be stored at or below -20°C for up to 1 year.
Usage Notes	Quantification of Rituximab in biological matrices
Protocol	The Rituximab ELISA kit is designed to measure free Rituximab with high specificity and sensitivity . This assay employs the sandwich enzyme immunoassay technique. A precoated anti-Rituximab 96 well plate is provided. Calibrator, quality control samples and test samples are pipetted into the appropriate wells. Rituximab present in biological matrices is bound by the immobilized capture antibody. After washing away any unbound substances, enzyme linked detection antibody is added to the wells. The plate is washed to remove any unbound antibody-enzyme reagent and a substrate solution is added to the wells for color development. The color development is proportional to the amount of Rituximab present in test samples and the concentration is calculated from the standard series.

Gene ID	931

Applications	ELISA

Storage	-20C, 1 year

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SKU	Supplier No.	Size	Your price	Quantity
BHE18300008	EL-1611-181	1X96 wells	$809.99		Add to Cart

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